# A061556 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 5
4 9
5 14
6 23
7 43
8 79
9 149
10 263
11 461
12 823
13 1451
14 2549
15 4483
16 7879
17 13859
18 24247
19 42683
20 75037
21 131707
22 230773
23 405401
24 710569
25 1246379
26 2185021
27 3831913
28 6720059
29 11781551
30 20657677